diff --git a/build/CopyFilesToStagingDir.ps1 b/build/CopyFilesToStagingDir.ps1
index e29b84b207..02c688072a 100644
--- a/build/CopyFilesToStagingDir.ps1
+++ b/build/CopyFilesToStagingDir.ps1
@@ -49,6 +49,8 @@ PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.Test.TAE
PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.Test.TAEF\Axe.Windows.SystemAbstractions.dll $FullPublishDir\Test\
PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.Test.TAEF\Axe.Windows.Telemetry.dll $FullPublishDir\Test\
PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.Test.TAEF\Axe.Windows.Win32.dll $FullPublishDir\Test\
+PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.Test.TAEF\Newtonsoft.Json.dll $FullPublishDir\Test\
+PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.Test.TAEF\System.Drawing.Common.dll $FullPublishDir\Test\
PublishFile -IfExists $FullBuildOutput\Microsoft.UI.Xaml\WebView2Loader.dll $FullPublishDir\Test\
PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.ReleaseTest.TAEF\MUXControls.ReleaseTest.dll $FullPublishDir\Test\
PublishFile -IfExists $BuildOutputDir\$Configuration\AnyCPU\MUXControls.ReleaseTest.TAEF\WebView2Loader.dll $FullPublishDir\Test\
diff --git a/build/Helix/PrepareHelixPayload.ps1 b/build/Helix/PrepareHelixPayload.ps1
index 29041dcabb..1e3d5ad38b 100644
--- a/build/Helix/PrepareHelixPayload.ps1
+++ b/build/Helix/PrepareHelixPayload.ps1
@@ -92,6 +92,8 @@ Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\
Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\Axe.Windows.SystemAbstractions.dll" "$payloadDir\.NETCoreApp2.1\"
Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\Axe.Windows.Telemetry.dll" "$payloadDir\.NETCoreApp2.1\"
Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\Axe.Windows.Win32.dll" "$payloadDir\.NETCoreApp2.1\"
+Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\Newtonsoft.Json.dll" "$payloadDir\.NETCoreApp2.1\"
+Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\System.Drawing.Common.dll" "$payloadDir\.NETCoreApp2.1\"
Copy-Item "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\MUXTestInfra.TAEF.dll" $payloadDir
Copy-If-Exists "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\MUXExperimental.Test.dll" $payloadDir
Copy-If-Exists "$repoDirectory\Artifacts\$ArtifactName\$Configuration\$Platform\Test\WebView2Loader.dll" $payloadDir
diff --git a/test/MUXControls.Test/TAEF/MUXControls.Test.TAEF.csproj b/test/MUXControls.Test/TAEF/MUXControls.Test.TAEF.csproj
index fc7f44f0b2..46d344362a 100644
--- a/test/MUXControls.Test/TAEF/MUXControls.Test.TAEF.csproj
+++ b/test/MUXControls.Test/TAEF/MUXControls.Test.TAEF.csproj
@@ -64,6 +64,8 @@
+
+
$(OutDir)